As you can see from the polls just one month out the tide is turning in some battleground Senate states and the Republicans are closing the gap or overtaking their Democrat opponents in some key races. Fierce battles are raging in Arkansas, Iowa, Kansas, North Carolina, Louisiana, Michigan and Kentucky.
Topline Senate race results from the CBS News/New York Times Upshot/YouGov Battleground Tracker. Click on individual races to see full tables on likely voters with demographic breakdown. Join YouGov today to take part in surveys like these and earn money.